diff --git a/.idea/artifacts/openrocket_jar.xml b/.idea/artifacts/openrocket_jar.xml
index 019f1369a..119b4f763 100644
--- a/.idea/artifacts/openrocket_jar.xml
+++ b/.idea/artifacts/openrocket_jar.xml
@@ -10,29 +10,16 @@
       <element id="extracted-dir" path="$PROJECT_DIR$/swing/lib/jcommon-1.0.18.jar" path-in-jar="/" />
       <element id="extracted-dir" path="$PROJECT_DIR$/swing/lib/jogl/gluegen-rt.jar" path-in-jar="/" />
       <element id="extracted-dir" path="$PROJECT_DIR$/lib-test/test-plugin.jar" path-in-jar="/" />
-      <element id="extracted-dir" path="$PROJECT_DIR$/core/lib/guice-3.0.jar" path-in-jar="/" />
-      <element id="extracted-dir" path="$PROJECT_DIR$/lib-test/jmock-junit4-2.6.0-RC2.jar" path-in-jar="/" />
-      <element id="extracted-dir" path="$PROJECT_DIR$/core/lib/annotation-detector-3.0.2.jar" path-in-jar="/" />
       <element id="extracted-dir" path="$PROJECT_DIR$/swing/lib/miglayout-4.0-swing.jar" path-in-jar="/" />
-      <element id="extracted-dir" path="$PROJECT_DIR$/lib-test/hamcrest-core-1.3.0RC1.jar" path-in-jar="/" />
       <element id="extracted-dir" path="$PROJECT_DIR$/swing/lib/jogl/jogl-all.jar" path-in-jar="/" />
       <element id="extracted-dir" path="$PROJECT_DIR$/swing/lib/iText-5.0.2.jar" path-in-jar="/" />
       <element id="extracted-dir" path="$PROJECT_DIR$/swing/lib/rsyntaxtextarea-2.5.6.jar" path-in-jar="/" />
-      <element id="extracted-dir" path="$PROJECT_DIR$/lib-test/hamcrest-library-1.3.0RC1.jar" path-in-jar="/" />
-      <element id="extracted-dir" path="$PROJECT_DIR$/lib-test/uispec4j-2.3-jdk16.jar" path-in-jar="/" />
       <element id="extracted-dir" path="$PROJECT_DIR$/core/lib/javax.inject.jar" path-in-jar="/" />
-      <element id="extracted-dir" path="$PROJECT_DIR$/core/lib/slf4j-api-1.7.5.jar" path-in-jar="/" />
-      <element id="extracted-dir" path="$PROJECT_DIR$/swing/lib/logback-core-1.0.12.jar" path-in-jar="/" />
-      <element id="extracted-dir" path="$PROJECT_DIR$/swing/lib/logback-classic-1.0.12.jar" path-in-jar="/" />
-      <element id="extracted-dir" path="$PROJECT_DIR$/lib-test/junit-dep-4.8.2.jar" path-in-jar="/" />
-      <element id="extracted-dir" path="$PROJECT_DIR$/lib-test/jmock-2.6.0-RC2.jar" path-in-jar="/" />
-      <element id="extracted-dir" path="$PROJECT_DIR$/core/lib/opencsv-2.3.jar" path-in-jar="/" />
       <element id="extracted-dir" path="$PROJECT_DIR$/swing/lib/jfreechart-1.0.15.jar" path-in-jar="/" />
       <element id="extracted-dir" path="$PROJECT_DIR$/core/lib/aopalliance.jar" path-in-jar="/" />
       <element id="library" level="module" name="resources" module-name="OpenRocket Core" />
       <element id="library" level="module" name="resources" module-name="OpenRocket Swing" />
       <element id="extracted-dir" path="$PROJECT_DIR$/core/lib-extra/RXTXcomm.jar" path-in-jar="/" />
-      <element id="extracted-dir" path="$PROJECT_DIR$/core/lib/guice-multibindings-3.0.jar" path-in-jar="/" />
       <element id="extracted-dir" path="$PROJECT_DIR$/swing/lib/OrangeExtensions-1.2.jar" path-in-jar="/" />
       <element id="extracted-dir" path="$PROJECT_DIR$/swing/lib/jogl/gluegen-rt-natives-linux-amd64.jar" path-in-jar="/" />
       <element id="extracted-dir" path="$PROJECT_DIR$/swing/lib/jogl/gluegen-rt-natives-linux-i586.jar" path-in-jar="/" />
@@ -45,6 +32,13 @@
       <element id="extracted-dir" path="$PROJECT_DIR$/swing/lib/jogl/jogl-all-natives-macosx-universal.jar" path-in-jar="/" />
       <element id="extracted-dir" path="$PROJECT_DIR$/swing/lib/jogl/jogl-all-natives-windows-amd64.jar" path-in-jar="/" />
       <element id="extracted-dir" path="$PROJECT_DIR$/swing/lib/jogl/jogl-all-natives-windows-i586.jar" path-in-jar="/" />
+      <element id="extracted-dir" path="$PROJECT_DIR$/core/lib/annotation-detector-3.0.5.jar" path-in-jar="/" />
+      <element id="extracted-dir" path="$PROJECT_DIR$/core/lib/guice-4.2.1.jar" path-in-jar="/" />
+      <element id="extracted-dir" path="$PROJECT_DIR$/core/lib/guava-26.0-jre.jar" path-in-jar="/" />
+      <element id="extracted-dir" path="$PROJECT_DIR$/core/lib/opencsv-4.3.2.jar" path-in-jar="/" />
+      <element id="extracted-dir" path="$PROJECT_DIR$/core/lib/slf4j-api-1.7.30.jar" path-in-jar="/" />
+      <element id="extracted-dir" path="$PROJECT_DIR$/core/lib/logback-classic-1.2.3.jar" path-in-jar="/" />
+      <element id="extracted-dir" path="$PROJECT_DIR$/core/lib/logback-core-1.2.3.jar" path-in-jar="/" />
     </root>
   </artifact>
 </component>
\ No newline at end of file
diff --git a/core/.classpath b/core/.classpath
index 18f644a33..163c5b1c5 100644
--- a/core/.classpath
+++ b/core/.classpath
@@ -16,7 +16,7 @@
 	<classpathentry kind="lib" path="resources"/>
 	<classpathentry kind="lib" path="lib/javax.inject.jar"/>
 	<classpathentry kind="lib" path="lib/aopalliance.jar"/>
-	<classpathentry kind="lib" path="lib/slf4j-api-1.7.5.jar"/>
+	<classpathentry kind="lib" path="lib/slf4j-api-1.7.30.jar"/>
 	<classpathentry kind="lib" path="/OpenRocket Test Libraries/test-plugin.jar"/>
 	<classpathentry kind="lib" path="lib/annotation-detector-3.0.5.jar"/>
 	<classpathentry kind="lib" path="lib/guice-4.2.1.jar"/>
diff --git a/core/OpenRocket Core.iml b/core/OpenRocket Core.iml
index f0cdceef9..8afb18531 100644
--- a/core/OpenRocket Core.iml	
+++ b/core/OpenRocket Core.iml	
@@ -80,15 +80,6 @@
         <SOURCES />
       </library>
     </orderEntry>
-    <orderEntry type="module-library">
-      <library name="slf4j-api-1.7.5.jar">
-        <CLASSES>
-          <root url="jar://$MODULE_DIR$/lib/slf4j-api-1.7.5.jar!/" />
-        </CLASSES>
-        <JAVADOC />
-        <SOURCES />
-      </library>
-    </orderEntry>
     <orderEntry type="library" name="lib-test" level="project" />
     <orderEntry type="library" name="javax" level="project" />
     <orderEntry type="module-library">
@@ -127,5 +118,14 @@
         <SOURCES />
       </library>
     </orderEntry>
+    <orderEntry type="module-library">
+      <library>
+        <CLASSES>
+          <root url="jar://$MODULE_DIR$/lib/slf4j-api-1.7.30.jar!/" />
+        </CLASSES>
+        <JAVADOC />
+        <SOURCES />
+      </library>
+    </orderEntry>
   </component>
 </module>
\ No newline at end of file
diff --git a/core/lib/slf4j-api-1.7.30.jar b/core/lib/slf4j-api-1.7.30.jar
new file mode 100644
index 000000000..29ac26fb8
Binary files /dev/null and b/core/lib/slf4j-api-1.7.30.jar differ
diff --git a/core/lib/slf4j-api-1.7.5.jar b/core/lib/slf4j-api-1.7.5.jar
deleted file mode 100644
index 8766455d8..000000000
Binary files a/core/lib/slf4j-api-1.7.5.jar and /dev/null differ
diff --git a/lib-test/OpenRocket Test Libraries.iml b/lib-test/OpenRocket Test Libraries.iml
index c32cfac6d..7202ad899 100644
--- a/lib-test/OpenRocket Test Libraries.iml	
+++ b/lib-test/OpenRocket Test Libraries.iml	
@@ -70,5 +70,14 @@
         <SOURCES />
       </library>
     </orderEntry>
+    <orderEntry type="module-library">
+      <library>
+        <CLASSES>
+          <root url="jar://$MODULE_DIR$/../core/lib/script-api-1.0.jar!/" />
+        </CLASSES>
+        <JAVADOC />
+        <SOURCES />
+      </library>
+    </orderEntry>
   </component>
 </module>
\ No newline at end of file
diff --git a/swing/.classpath b/swing/.classpath
index 169795d31..2de126122 100644
--- a/swing/.classpath
+++ b/swing/.classpath
@@ -14,7 +14,7 @@
 	<classpathentry kind="lib" path="lib/OrangeExtensions-1.2.jar"/>
 	<classpathentry kind="lib" path="lib/jogl/gluegen-rt.jar"/>
 	<classpathentry combineaccessrules="false" kind="src" path="/OpenRocket Core"/>
-	<classpathentry kind="lib" path="/OpenRocket Core/lib/slf4j-api-1.7.5.jar"/>
+	<classpathentry kind="lib" path="/OpenRocket Core/lib/slf4j-api-1.7.30.jar"/>
 	<classpathentry kind="lib" path="/OpenRocket Core/lib/aopalliance.jar"/>
 	<classpathentry kind="lib" path="/OpenRocket Core/lib/javax.inject.jar"/>
 	<classpathentry kind="lib" path="/OpenRocket Core/resources"/>
diff --git a/swing/OpenRocket Swing.iml b/swing/OpenRocket Swing.iml
index 408d6a61b..7ac4a7284 100644
--- a/swing/OpenRocket Swing.iml	
+++ b/swing/OpenRocket Swing.iml	
@@ -71,15 +71,6 @@
         <SOURCES />
       </library>
     </orderEntry>
-    <orderEntry type="module-library">
-      <library name="slf4j-api-1.7.5.jar">
-        <CLASSES>
-          <root url="jar://$MODULE_DIR$/../core/lib/slf4j-api-1.7.5.jar!/" />
-        </CLASSES>
-        <JAVADOC />
-        <SOURCES />
-      </library>
-    </orderEntry>
     <orderEntry type="module-library">
       <library name="aopalliance.jar">
         <CLASSES>
@@ -174,5 +165,14 @@
         <SOURCES />
       </library>
     </orderEntry>
+    <orderEntry type="module-library">
+      <library>
+        <CLASSES>
+          <root url="jar://$MODULE_DIR$/../core/lib/slf4j-api-1.7.30.jar!/" />
+        </CLASSES>
+        <JAVADOC />
+        <SOURCES />
+      </library>
+    </orderEntry>
   </component>
 </module>
\ No newline at end of file
diff --git a/swing/build.xml b/swing/build.xml
index 0c786bd31..e7750cbd9 100644
--- a/swing/build.xml
+++ b/swing/build.xml
@@ -110,12 +110,11 @@
 			<zipfileset src="${core.dir}/lib/opencsv-4.3.2.jar"/>
 			<zipfileset src="${lib.dir}/OrangeExtensions-1.2.jar"/>
 			<zipfileset src="${core.dir}/lib/annotation-detector-3.0.5.jar"/>
-			<zipfileset src="${core.dir}/lib/slf4j-api-1.7.5.jar"/>
+			<zipfileset src="${core.dir}/lib/slf4j-api-1.7.30.jar"/>
 			<zipfileset src="${core.dir}/lib/logback-classic-1.2.3.jar"/>
 			<zipfileset src="${core.dir}/lib/logback-core-1.2.3.jar"/>
 			<zipfileset src="${lib.dir}/rsyntaxtextarea-2.5.6.jar"/>
-									
-			
+
 			<!-- JOGL libraries need to be jar-in-jar -->
 			<zipfileset dir="${lib.dir}/jogl" prefix="lib">
 				<include name="*.jar"/>